Watch List notes:

Abbasid, al-Muqtadir, Dirham, al-Ahwaz 303h, with the name of the heir Abu'l-'Abbas, rev. unidentified word ('ash?) beneath caliph's name, 4.48g (A 246.2). Some weakness in margins otherwise very fine, very rare.
See SICA 4, nos. 124 (307h) & 127-128 (309h), for other dirhams of this mint with the same additional word on the reverse.

Estimate: £120-150